1079809 has 2 divisors, whose sum is σ = 1079810. Its totient is φ = 1079808.

The previous prime is 1079797. The next prime is 1079821. The reversal of 1079809 is 9089701.

It is a balanced prime because it is at equal distance from previous prime (1079797) and next prime (1079821).

It can be written as a sum of positive squares in only one way, i.e., 801025 + 278784 = 895^2 + 528^2 .

It is an emirp because it is prime and its reverse (9089701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1079809 - 2⁵ = 1079777 is a prime.

1079809 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1079849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539904 + 539905.

It is an arithmetic number, because the mean of its divisors is an integer number (539905).

2^1079809 is an apocalyptic number.

It is an amenable number.

1079809 is a deficient number, since it is larger than the sum of its proper divisors (1).

1079809 is an equidigital number, since it uses as much as digits as its factorization.

1079809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 1079809 is about 1039.1385855602. The cubic root of 1079809 is about 102.5925081958.

The spelling of 1079809 in words is "one million, seventy-nine thousand, eight hundred nine".